(Based on a fanfic by ChaoticlyBlue on AO3 "Daily Visits")

Everyday Tsukasa Tenma would visit his sister in the hospital. He would walk past the children part of the hospital on the way to her.

One day he was walking past the children part again, on the way to his sister, but this time he saw a boy with purple hair entertaining the kids.

Tsukasa looks at the boy